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uxn/projects/examples/exercises/pig.tal
2022-04-06 11:24:43 -07:00

70 lines
1.5 KiB
Tal

( Pig:
Each turn you roll a die and add the total to your points.
You can stop at any time and keep that total, or keep rolling.
If you ever roll a 1 you lose all the points you accrued. )
|10 @Console &vector $2 &read $1 &pad $5 &write $1 &error $1
|0000 @t $1 ( Total saved )
|0100 @game ( -> )
#00 .t STZ
;input-main .Console/vector DEO2
,input-main/main JMP
@roll ( -- dice )
[ LIT2 &r f793 ]
( 5*R+35 ) #0005 MUL2 #0023 ADD2
( R-R/6547*6547 ) DUP2 #1993 DIV2 #1993 MUL2 SUB2
DUP2 #c5 DEI2 ADD2 ,&r STR2 ADD ( mod ) #06 DIVk MUL SUB
JMP2r
@input-main ( -> )
.Console/read DEI
LIT '0 EQUk NIP ,&no JCN
LIT '1 EQUk NIP ,&yes JCN
( ignore other inputs )
POP
BRK
&no ( char -- )
POP ;score-txt ,pstr JSR .t LDZ ,pdec JSR ;byte-txt ,&halt JMP
&yes ( char -- )
POP ,roll JSR ;rolled-txt ,pstr JSR INCk ,pdec/d JSR DUP ,&not-bust JCN
&bust ( char -- )
POP ;bust-txt
&halt ( msg* -- )
,pstr JSR #0a .Console/write DEO #010f DEO BRK
&not-bust ( dice -- )
INC .t LDZ ADD .t STZ
&main ( -- )
;total-txt ,pstr JSR .t LDZ ,pdec JSR ;roll-txt ,pstr JSR BRK
@pdec ( value -- )
DUP #0a DIV ,&emit JSR
&d #0a DIVk MUL SUB ,&emit JSR
#0a .Console/write DEO
JMP2r
&emit #30 ADD .Console/write DEO JMP2r
@pstr ( str* -- )
&while
LDAk DUP LIT '_ EQU #3f MUL SUB .Console/write DEO
INC2 LDAk ,&while JCN
POP2
JMP2r
@total-txt "Your_current_total_is:_ $1
@roll-txt "Would_you_like_to_roll?_(0_no,_1_yes)_ $1
@score-txt "Your_score_is:_ $1
@rolled-txt "You_rolled:_ $1
@bust-txt "Busted! $1
@byte-txt "Goodbye. $1